Home / 1,912,810.60-2,862,995.10-1,489,796.20

Finding the Fourth Proportional to 1,912,810.60, 2,862,995.10 and 1,489,796.20

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Solution

The fourth proportional to 1,912,810.60, 2,862,995.10 and 1,489,796.20 is: 2,229,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,810.60 : 2,862,995.10 = 1,489,796.20 : x
  2. Step 2: Convert to fraction form
    1,912,810.60/2,862,995.10 = 1,489,796.20/x
  3. Step 3: Cross multiply
    1,912,810.60x = 2,862,995.10 × 1,489,796.20
  4. Step 4: Simplify right side
    1,912,810.60x = 4,265,279,220,598.62
  5. Step 5: Solve for x
    x = 4,265,279,220,598.62/1,912,810.60
  6. Step 6: Final answer
    x = 2,229,849.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.